Seiko Cal. 4491 - 113

This Hand-Winding model from 1976 features a 37mm Titanium case. With its 20mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-2c0f308b46f1]

Also known as: Sumo, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

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